Problem Reports

GMC Yukon Denali

Report: Popping Noise From Muffler Heat Shield

GMC Yukon Denali Problem

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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006

The muffler heat shield may become loose on the muffler causing a rattle or popping noise. Our technicians tell us there is a kit available from GM to correct this problem.

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Visitor, 2004 GMC Yukon Denali, 113,400 mi

the heat shield became loose and was very noisy. Ended up removing the shield. It isn't really necessary just more garbage that they put on so you can go get an expensive repair from the dealer.

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Visitor, 2004 GMC Yukon Denali, 113,400 mi

the heat shield became loose and was very noisy. Ended up removing the shield. It isn't really necessary just more garbage that they put on so you can go get an expensive repair from the dealer.

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